Filter assembly



FIG. 1 is a top plan view of an ornamental filter assembly according to the present invention;

FIG. 2 is a left side perspective view of the filter assembly of FIG. 1;

FIG. 3 is a right side perspective view of the filter assembly of FIG. 1;

FIG. 4 is an elevation front view of the filter assembly of FIG. 1; and,

FIG. 5 is bottom perspective view of the filter assembly of FIG. 1. 

The ornamental design for a filter assembly, as shown and described. 